fix: resolve lint, module hygiene, and markdown CI failures

Fix errcheck on rows.Close(), simplify bool comparison,
remove unused knownFields var, fix empty badge links,
and run go work sync to update module consistency.

Author: Patel230

docs/architecture.md

@@ -5,8 +5,8 @@
 **AI Coding Agent for Your Terminal**
 
 [![Go](https://img.shields.io/badge/Go-1.26+-00ADD8?logo=go)](https://go.dev/)
-[![Port](https://img.shields.io/badge/Port-4590-orange)]()
-[![Protocol](https://img.shields.io/badge/Protocol-REST-blue)]()
+[![Port](https://img.shields.io/badge/Port-4590-orange)](https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml)
+[![Protocol](https://img.shields.io/badge/Protocol-REST-blue)](https://swagger.io/specification/)
 
 </div>
 

go.mod

@@ -57,20 +57,6 @@ func (r *ValidationResult) AddErr(err error) {
 	r.Errors = append(r.Errors, err)
 }
 
-// knownFields is the set of top-level field names recognized in
-// Claude Code settings.json. Unknown fields are tolerated.
-var knownFields = map[string]bool{
-	"model":               true,
-	"permissions":         true,
-	"hooks":               true,
-	"mcpServers":          true,
-	"includeCoAuthoredBy": true,
-	"cleanupPeriodDays":   true,
-	"forceLoginMethod":    true,
-	"apiKeyHelper":        true,
-	"env":                 true,
-}
-
 // ValidateClaudeSettings validates a parsed Claude Code settings
 // document (a map[string]interface{}). Returns a ValidationResult
 // describing any issues. The function never returns a non-nil error;

internal/jsonc/validate.go

@@ -125,7 +125,7 @@ func RequireApproval(reason, rule string, risk Risk) PermissionVerdict {
 // IsZero reports whether v is the zero value. Useful for
 // detecting "no verdict produced" cases.
 func (v PermissionVerdict) IsZero() bool {
-	return v.Allowed == false && v.Reason == "" && v.Rule == "" &&
+	return !v.Allowed && v.Reason == "" && v.Rule == "" &&
 		v.Risk == 0 && v.Confidence == 0 && v.Source == ""
 }
 

internal/permissions/verdict.go

@@ -195,7 +195,7 @@ func (g *GainTracker) ListForSession(ctx context.Context, sessionID string, n in
 	if err != nil {
 		return nil, fmt.Errorf("session: list gains: %w", err)
 	}
-	defer rows.Close()
+	defer func() { _ = rows.Close() }()
 	var out []GainEvent
 	for rows.Next() {
 		var ev GainEvent